Updated: February 17, 2009
Since the end of 2007, reports of yellow fever among both humans and monkeys in parts of South America have been increasing. In Brazil, Argentina, and Paraguay, risk areas for yellow fever expanded during 2008. As seen through recent reports of yellow fever among humans and monkeys in southern Brazil and northern Argentina, the spread of yellow fever virus appears to be continuing in 2009. Other countries in the region have recently reported an increase in yellow fever activity, including cases among monkeys in Venezuela and on the island of Trinidad in the twin island republic of Trinidad and Tobago. It is important that travelers and clinicians are aware that the yellow fever risk in South America is evolving, and as the risk areas change, current locations where yellow fever vaccine is recommended may also change.
As the situation unfolds, specific travel notices can be found on the CDC Travelers’ Health Travel Notices web page. Current notices include:
- In the News: Trinidad and Tobago (February 17, 2009)
- In the News: Updated Yellow Fever Vaccination Recommendations for Brazil (January 9, 2009)
You can also check the recommendations for the country you are visiting at the by-country listing of yellow fever vaccine recommendations and requirements.
Additional Information
For more information about the emerging yellow fever situation in South America and the Caribbean, see the following resources.
Pan American Health Organization (PAHO) Updates:
- Yellow Fever Situation in the Americas (February 10, 2009) PDF version
- Update: Situation of Yellow Fever in the Americas (January 30, 2009)
- Epidemiological Alert: Increase in Circulation of Jungle Yellow Fever Virus in the Americas (January 27, 2009)
- Page last updated: February 17, 2009
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